LU-4563 Fix unsafe userspace access in many proc files

[fs/lustre-release.git] / lustre / osd-zfs / osd_lproc.c

diff --git a/lustre/osd-zfs/osd_lproc.c b/lustre/osd-zfs/osd_lproc.c
index 0854ce6..bc8a807 100644 (file)
--- a/lustre/osd-zfs/osd_lproc.c
+++ b/lustre/osd-zfs/osd_lproc.c
@@ -140,8 +140,8 @@ static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
        return rc == 0 ? count : rc;
 }
 
-static int lprocfs_osd_rd_iused_est(char *page, char **start, off_t off, int count,
-                                       int *eof, void *data)
+static int lprocfs_osd_rd_iused_est(char *page, char **start, off_t off,
+                                   int count, int *eof, void *data)
 {
        struct osd_device *osd = osd_dt_dev((struct dt_device *)data);
        LASSERT(osd != NULL);
@@ -149,8 +149,9 @@ static int lprocfs_osd_rd_iused_est(char *page, char **start, off_t off, int cou
        return snprintf(page, count, "%d\n", osd->od_quota_iused_est);
 }
 
-static int lprocfs_osd_wr_iused_est(struct file *file, const char *buffer,
-                                       unsigned long count, void *data)
+static int lprocfs_osd_wr_iused_est(struct file *file,
+                                   const char __user *buffer,
+                                   unsigned long count, void *data)
 {
        struct osd_device *osd = osd_dt_dev((struct dt_device *)data);
        int                rc, val;